The "Lightning Hazard Map" depicts the local threat of lightning for specified areas. It is largely based on the likelihood that cloud-to-ground lightning (CG) from thunderstorms will occur combined with the anticipated flash rate.

Lightning Threat Level

Threat Level Descriptions

Extreme

"An Extreme Threat to Life and Property from Lightning."

Within 12 miles of a location, a moderate likelihood of CG lightning (or 50% thunderstorm probability), with storms capable of excessive CG lightning.